<?php

namespace App\Http\Middleware;

use App\Services\SiteStateService;
use Closure;

/**
 * 設定SiteStateService中的資料
 *
 * Class SetSiteStates
 * @package App\Http\Middleware
 */
class SetSiteStates
{
    /**
     * Handle an incoming request.
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  \Closure  $next
     * @return mixed
     */
    public function handle($request, Closure $next)
    {
        $siteState = app(SiteStateService::class);
        //是否網站後台，判斷route prefix
        if($request->is(config('admin.route') . '/*')) {
            $siteState->isAdminArea = true;
        }

        //所有可用語系及其原文名稱
        $siteState->languagesWithLabel = config('languages');

        //所有可用語系
        $siteState->languages = array_keys($siteState->languagesWithLabel);

        //所有其他可用語系，排除現在語系
        $siteState->otherLanguages = collect($siteState->languages)->filter(function($locale){
            return $locale !== app()->getLocale();
        })->all();

        //所有語系的當前語言翻譯
        foreach ($siteState->languages as $locale) {
            $siteState->languageTranslations[$locale] = trans('languages.' . $locale);
        }

        //預設語系
        $siteState->defaultLanguage = config('app.fallback_locale');

        return $next($request);
    }
}